/Engine/Source/Editor/BlueprintGraph/Classes/K2Node.h
Helper function to make consistent behavior between nodes that use optional pins
static void EvaluateOldShownPins ( const [TArray](API\Runtime\Core\Containers\TArray)< [FOptionalPinFromProperty](API\Editor\BlueprintGraph\FOptionalPinFromProperty) > & OptionalPins, [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & OldShownPins, [UK2Node](API\Editor\BlueprintGraph\UK2Node) * Node )